I'm looking at Package/Python/Python.tmLanguage which appears to have been reused wholesale from TextMate. How is ST2 able to bundle proprietary code from another application without running into legal issues?

http://svn.textmate.org/trunk/LICENSE wrote:If not otherwise specified (see below), files in this repository (located at http://macromates.com/svn/Bundles/) fall under the following license:

Permission to copy, use, modify, sell and distribute this software is granted. This software is provided "as is" without express or implied warranty, and with no claim as to its suitability for any purpose.

An exception is made for files in readable text which contain their own license information, or files where an accompanying file exists (in the same directory) with a “-license” suffix added to the base-name name of the original file, and an extension of txt, html, or similar. For example “tidy” is accompanied by “tidy-license.txt”.